The membrane is bonded to waterstop angles as a Type 1 junction (4.11.1). For unenclosed showers the waterstop finishes flush with the finished floor (4.8.1); for enclosed showers without a hob, or with a set-down, it finishes at least 5 mm above the finished level of the floor outside (4.8.3).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.